222018977376 has 384 divisors, whose sum is σ = 781730611200. Its totient is φ = 59957936640.

The previous prime is 222018977353. The next prime is 222018977381. The reversal of 222018977376 is 673779810222.

222018977376 is a `hidden beast` number, since 2 + 2 + 20 + 189 + 77 + 376 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8048215 + ... + 8075753.

It is an arithmetic number, because the mean of its divisors is an integer number (2035756800).

Almost surely, 2^222018977376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222018977376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390865305600).

222018977376 is an abundant number, since it is smaller than the sum of its proper divisors (559711633824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222018977376 is a wasteful number, since it uses less digits than its factorization.

222018977376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27639 (or 27625 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 222018977376 in words is "two hundred twenty-two billion, eighteen million, nine hundred seventy-seven thousand, three hundred seventy-six".